What is the air quality trend in Chancay?

Over the past 8 days, Chancay had an average AQI of 61 based on station measurements. The worst day was 2026-10-22 with AQI 70.

How is Chancay air quality measured?

Air quality in Chancay is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Chancay, Peru

Name: Chancay Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Chancay, Peru.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

158h

PM2.5 Station

158h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-22	70	70–70	21.1 µg/m³	61.5	1h	5
2026-10-21	67	28–198	23.6 µg/m³	76.5	22h	4
2026-10-20	59	4–125	17.3 µg/m³	59.8	24h	3
2026-10-19	67	18–134	20.2 µg/m³	75.7	22h	4
2026-10-18	52	7–143	14.4 µg/m³	66.2	24h	4
2026-10-17	57	26–106	16.1 µg/m³	61.6	21h	4
2026-10-16	60	14–181	19.6 µg/m³	69.0	24h	3
2026-10-15	60	10–159	19.0 µg/m³	90.2	20h	4

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